drivers/staging/vt6656/tether.h

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * File: tether.h
  20  *
  21  * Purpose:
  22  *
  23  * Author: Tevin Chen
  24  *
  25  * Date: Jan. 28, 1997
  26  *
  27  */
  28
  29 #ifndef __TETHER_H__
  30 #define __TETHER_H__
  31
  32 #include <linux/if_ether.h>
  33 #include "ttype.h"
  34
  35 /*---------------------  Export Definitions -------------------------*/
  36 //
  37 // constants
  38 //
  39 #define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
  40                                         // Ethernet address string length
  41 #define U_MULTI_ADDR_LEN    8           // multicast address length
  42
  43 #ifdef __BIG_ENDIAN
  44
  45 #define TYPE_MGMT_PROBE_RSP 0x5000
  46
  47 //
  48 // wFrameCtl field in the S802_11Header
  49 //
  50 // NOTE....
  51 //   in network byte order, high byte is going first
  52 #define FC_TODS             0x0001
  53 #define FC_FROMDS           0x0002
  54 #define FC_MOREFRAG         0x0004
  55 #define FC_RETRY            0x0008
  56 #define FC_POWERMGT         0x0010
  57 #define FC_MOREDATA         0x0020
  58 #define FC_WEP              0x0040
  59 #define TYPE_802_11_ATIM    0x9000
  60
  61 #define TYPE_802_11_DATA    0x0800
  62 #define TYPE_802_11_CTL     0x0400
  63 #define TYPE_802_11_MGMT    0x0000
  64 #define TYPE_802_11_MASK    0x0C00
  65 #define TYPE_SUBTYPE_MASK   0xFC00
  66 #define TYPE_802_11_NODATA  0x4000
  67 #define TYPE_DATE_NULL      0x4800
  68
  69 #define TYPE_CTL_PSPOLL     0xa400
  70 #define TYPE_CTL_RTS        0xb400
  71 #define TYPE_CTL_CTS        0xc400
  72 #define TYPE_CTL_ACK        0xd400
  73
  74
  75 //#define WEP_IV_MASK         0xFFFFFF00
  76
  77 #else //if LITTLE_ENDIAN
  78 //
  79 // wType field in the SEthernetHeader
  80 //
  81 // NOTE....
  82 //   in network byte order, high byte is going first
  83
  84 #define TYPE_MGMT_PROBE_RSP 0x0050
  85
  86 //
  87 // wFrameCtl field in the S802_11Header
  88 //
  89 // NOTE....
  90 //   in network byte order, high byte is going first
  91 #define FC_TODS             0x0100
  92 #define FC_FROMDS           0x0200
  93 #define FC_MOREFRAG         0x0400
  94 #define FC_RETRY            0x0800
  95 #define FC_POWERMGT         0x1000
  96 #define FC_MOREDATA         0x2000
  97 #define FC_WEP              0x4000
  98 #define TYPE_802_11_ATIM    0x0090
  99
 100 #define TYPE_802_11_DATA    0x0008
 101 #define TYPE_802_11_CTL     0x0004
 102 #define TYPE_802_11_MGMT    0x0000
 103 #define TYPE_802_11_MASK    0x000C
 104 #define TYPE_SUBTYPE_MASK   0x00FC
 105 #define TYPE_802_11_NODATA  0x0040
 106 #define TYPE_DATE_NULL      0x0048
 107
 108 #define TYPE_CTL_PSPOLL     0x00a4
 109 #define TYPE_CTL_RTS        0x00b4
 110 #define TYPE_CTL_CTS        0x00c4
 111 #define TYPE_CTL_ACK        0x00d4
 112
 113
 114 //#define WEP_IV_MASK         0x00FFFFFF
 115
 116 #endif //#ifdef __BIG_ENDIAN
 117
 118 #define WEP_IV_MASK         0x00FFFFFF
 119
 120 /*---------------------  Export Types  ------------------------------*/
 121 //
 122 // Ethernet packet
 123 //
 124 typedef struct tagSEthernetHeader {
 125     BYTE    abyDstAddr[ETH_ALEN];
 126     BYTE    abySrcAddr[ETH_ALEN];
 127     WORD    wType;
 128 } __attribute__ ((__packed__))
 129 SEthernetHeader, *PSEthernetHeader;
 130
 131
 132 //
 133 // 802_3 packet
 134 //
 135 typedef struct tagS802_3Header {
 136     BYTE    abyDstAddr[ETH_ALEN];
 137     BYTE    abySrcAddr[ETH_ALEN];
 138     WORD    wLen;
 139 } __attribute__ ((__packed__))
 140 S802_3Header, *PS802_3Header;
 141
 142 //
 143 // 802_11 packet
 144 //
 145 typedef struct tagS802_11Header {
 146     WORD    wFrameCtl;
 147     WORD    wDurationID;
 148     BYTE    abyAddr1[ETH_ALEN];
 149     BYTE    abyAddr2[ETH_ALEN];
 150     BYTE    abyAddr3[ETH_ALEN];
 151     WORD    wSeqCtl;
 152     BYTE    abyAddr4[ETH_ALEN];
 153 } __attribute__ ((__packed__))
 154 S802_11Header, *PS802_11Header;
 155
 156 /*---------------------  Export Macros ------------------------------*/
 157
 158 /*---------------------  Export Classes  ----------------------------*/
 159
 160 /*---------------------  Export Variables  --------------------------*/
 161
 162 /*---------------------  Export Functions  --------------------------*/
 163
 164 BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
 165 //BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr);
 166 BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, unsigned int cbFrameLength);
 167
 168 #endif /* __TETHER_H__ */